(Seymouriidae,(Diadectomorpha,((Caseidae,(Ophiacodontidae,(Edaphosauridae,(Sphenacodontidae,(Gorgonopsia,Cynodontia))))),(Captorhinidae,Palaeothyris,Millerettidae,Macroleter,Procolophon,Owenetta,Araeoscelidae,Claudiosaurus,Younginiformes,Kuehneosauridae,Testudines,Choristodera,Rhynchosauria,Prolacertiformes,Trilophosaurus,Archosauromorpha,(Acleistorhinus,Lanthanosuchidae),(Bradysaurus,Scutosaurus,Anthodon),(Rhynchocephalia,Squamata),(Eosauropterygia,(Placodus,Cyamodus)),(Mesosauria,Ichthyosauria)))));